/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemBlueprintLibrary.h
Returns true if this context has ever been initialized
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category="Ability|EffectContext", Meta=(DisplayName="IsValid")) static bool EffectContextIsValid ( [FGameplayEffectContextHandle](API\Plugins\GameplayAbilities\FGameplayEffectContextHandle) EffectContext )